stuHover = function() {
	var cssRule;
	var newSelector;
	for ( var i = 0; i < document.styleSheets.length; i++)
		for ( var x = 0; x < document.styleSheets[i].rules.length; x++) {
			cssRule = document.styleSheets[i].rules[x];
			if (cssRule.selectorText.indexOf("LI:hover") != -1) {
				newSelector = cssRule.selectorText.replace(/LI:hover/gi,
						"LI.iehover");
				document.styleSheets[i].addRule(newSelector,
						cssRule.style.cssText);
			}
		}
	var getElm = document.getElementById("nav").getElementsByTagName("LI");
	for ( var i = 0; i < getElm.length; i++) {
		getElm[i].onmouseover = function() {
			this.className += " iehover";
		}
		getElm[i].onmouseout = function() {
			this.className = this.className.replace(new RegExp(" iehover\\b"),
					"");
		}
	}
}
if (window.attachEvent)
	window.attachEvent("onload", stuHover);
